x(x-y)(x+y)-4x^2+8x因式分解

发布时间:2020-07-28 05:54:56

如上

网友回答

x(x-y)(x+y)-4x^2+8x
=x(x-y)(x+y)-x(4x-8)
=x[(x-y)(x+y)-4x+8]
=x[x^2-y^2-4x+8]
=x[(x-2)^2+(2+y)(2-y)]
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